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Lime can be divided into two types: ordinary lime and active lime. The former is mostly fired in earth kilns and ordinary shaft kilns, and its activity is generally within 200ml, which is mainly used for construction and road repair; the latter is mainly composed of mechanical shaft kilns and rotary kilns. After calcination, the activity can reach 300~420ml. Limes calcined in rotary kilns are of better quality, and they are mainly used in industries such as steel smelting, chemical industry and power plant desulfurization.

1. The equipment occupies small area, the output capacity for unit volume is high, the materials mostly are full of the tank of the slaking machine, the utilization rate is more than 92%.

2. This system has the good operation environment, it realizes the mechanized production. There is slag-removing machine after the slaking machine, which can separate 95% of slags in lime.

3. This system has high mechanization, and easy for operation and controlling. The slaking and slag-removing can completely realize the mechanization, so, during the normal production, no need workers for operation, with low labor intensity.

4. This system adopts negative air and pulse technology, and uses Integrated computer to control production. The slaking system includes primary slaking, secondary slaking, third slaking to make the lime slaked uniformly. The slaking rate is ¡Ý 98%.

5. This system adopts close-type recycling air classifying method which can make the ?nal Ca(OH)2 products' ?neness reach to 100-800 mesh. The ?nal products can be divided into di?erent grades.

6. The capacity varies from 3-20tph.

7. The ?neness of ?nal products varies from 100-800 mesh with purity ¡Ý 97% and moisture ¡Ü 1%.

The qualified lumpy lime is firstly crushed into the sizes about 40mm by the Jaw crusher. Then the crushed sizes will be sent into the bu?er silo by bucket elevator. Under the bottom of the storage silo, there is steady ?ow conveyor quantitatively weighing system. After weighing, the lime is sent into the primary slaking machine, and then enter into the secondary and / or third slaking machine, to make the lime completely slaked to get the quality primary products. The slaking rate can reach to 98%.  The slaked lime is sent into the powder classi?er by the semi- products screw conveyor for separation of the impurities and  fine powder. After classifying, the quality final products is sent into the ?nal storage silo by ?nal-products screw conveyor and bucket elevator for packing or bulk loading. Hydrated lime is an ideal product for environmental protection in coatings, power plant desulfurization, water puri?cation and mediation for water PH value.